The component-count conjecture for cubic Poincare systems

Let XA14X_{\infty} \subset \mathbb{A}^{14} be the algebraic set of inhomogeneous degree 33 Poincaré differential equations over C\mathbb{C} for which all focal values vanish. The codimension of a component is its codimension in A14\mathbb{A}^{14}.

Component-count conjecture. The variety XX_{\infty} has exactly 11 component of codimension 55, exactly 22 components of codimension 66, exactly 44 components of codimension 77, at least one component of codimension 88, and an unknown number of components of codimension at least 99.

The statement records the authors' experimental estimate of the irreducible-component structure of the cubic center variety. The numbers in codimensions 55, 66, and 77 are presented as recovered results, while the higher-codimension counts remain unknown in the supplied text.

Sources & referencesView supporting material

Primary source

Hans-Christian Graf v. Bothmer, “Experimental results for the Poincaré center problem (including an Appendix with Martin Cremer)”, arXiv:math/0505547 (2005).

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